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Philips FWM390 User Manual

Philips FWM390
82 pages
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GB
CLASS 1
LASER PRODUCT
COMPACT
DIGITAL AUDIO
Service Manual
Service
Service
Service
Service
Service
FWM390/21/22/25/30
TABLE OF CONTENTS
Page
Location of pc boards & Version variations ................1-2
Technical Specifications ............................................. 1-3
Measurement setup .................................................... 1-4
Service Aids, Safety Instruction, etc ................ 1-5 to 1-6
Preparations & Controls ............................................. 1-7
Disassembly Instructions & Service positions .............. 2
Service Test Program & DEMO Mode ........................... 3
Set Block diagram ......................................................... 4
Set Wiring diagram ........................................................ 5
Front Board .................................................................... 6
ECO6 Tuner Board : Systems Non-Cenelec .............. 7A
ECO6 Tuner Board : Systems Cenelec ...................... 7B
ETF7 Tape Module ....................................................... 9
3CDC-LC-MP3CD2002 Module .................................. 10
Power 2001 Module (30-70W Version) ....................... 11
AF9 Board .................................................................... 12
Set Mechanical Exploded view & parts list ................. 13
Revision List ................................................................ 14
©
Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
Published by SL 0443 Service Audio Printed in The Netherlands Subject to modification
Mini System
3140 785 32811
Version 1.1

Table of Contents

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Philips FWM390 Specifications

Loudspeakers IconLoudspeakers
woofer size5.25 inches
tweeter size2 inches
polydome piezo size1 inch
Power IconPower
RMS power2x60 W
music power2x120 W
eco power standby1 watt
Connectivity IconConnectivity
headphone jack size3.5 mm
other connectionsFM Antenna, MW Antenna

Summary

Location of PC Boards

Specifications

ESD and Safety Precautions

Electrostatic Discharge (ESD) Warnings

Warnings in multiple languages regarding sensitivity of components to ESD and necessary precautions.

Laser Safety and General Safety Requirements

Information on laser product safety and general regulations for repair and part replacement.

System Controls and Operation

Primary System and Remote Controls

Overview of main buttons for power, source selection, playback, and sound settings.

Maintenance and Troubleshooting Guide

Troubleshooting Common Issues

Solutions for problems like no disc display, poor radio reception, tape issues, and remote control malfunction.

Dismantling Instructions

CDC Module and Front Panel Dismantling

Instructions for removing the CD changer module and the front panel assembly.

Component Module Dismantling

Front Board and Rear Portion Dismantling

Procedures for removing the front board and rear panel components, including specific screw references.

ETF Tape Module Removal

Steps for loosening and removing the ETF tape module using screws.

Service Test Program and Modes

Tuner Test Procedures and Frequencies

Steps for initiating the service test program and specific frequencies for tuner alignment.

Demo Mode and Error Code Display

Instructions for activating DEMO mode and interpreting error codes displayed during service tests.

Set Block Diagram

Audio Frequency Board (AF9) Block Diagram

A schematic showing the signal flow and interconnections of the AF9 board.

Set Wiring Diagram

Front, CDC, ETF7, Tuner, AF9, and Amplifier Connections

Detailed wiring diagram illustrating connections between various modules and boards.

Front Board Details

Front Part Circuit Diagram

Front Part Component Layout

Front Part Chip Layout

Headphone and Karaoke Part Details

Headphone Circuit and Layouts

Schematic and component/chip layout for the headphone amplifier section.

Karaoke Part Circuit Diagram

ECO6 Tuner Board (Non-Cenelec)

ECO6 Tuner Board (Non-Cenelec) Diagrams

ECO6 Tuner Board (Non-Cenelec) Layouts

ECO6 Tuner Board (Cenelec)

ECO6 Tuner Board (Cenelec) Diagrams

Tuner Board Schematic and Views

Schematic diagram, component views, and legend for the ECO6 Cenelec tuner board.

Tuner Adjustment Table

Adjustment procedures and voltage measurements for tuning various bands on the Cenelec tuner.

ECO6 Tuner Board (Cenelec) Layouts

Componentside and Copperside Views

Layout diagrams showing component placement and copper traces for the ECO6 Cenelec tuner board.

ETF7 Tape Module (Non-Dolby Version)

Tape Module Block Diagram

Tape Module Overview

Key Electronic Components and Functions

Describes the function of major ICs, bias level adjustment, motor speed control, and Dolby circuit.

Connector Assignments

Tape Mechanism Electronics and Adjustments

Mechanism Overview and Adjustment Table

Exploded view of the tape mechanism and a table for motor speed, wow/flutter, azimuth, frequency response, and bias adjustments.

Tape Module Layouts

Component Layout

Diagram showing the placement of components on the tape module's PCB.

Tape Module Analog Circuit

Tape Module Servo Control Circuit

Tape Module Exploded Views

Tape Mechanism A - Play Mechanism

Tape Mechanism B - Record/Playback (Non-Autoreverse)

Tape Mechanism B - Record/Playback (Autoreverse)

3CDC-LC-MP3CD2002 Module Overview

CD and MP3 Board Details

Sections covering CD and MP3 part component layouts and circuit diagrams.

CD Mechanism Service Hints

Replacement Precautions and ESD Safety

Critical warnings and steps for replacing the CD mechanism, emphasizing ESD protection and capacitor discharge.

CD Tray Service Procedures

CD Mechanism Wiring and Service Position

CD Mechanism Block Diagram (MP3 Version)

CD/MP3 Module Layouts

CD/MP3 Module Layout Details

3CDC-LC-MP3CD2002 Circuit Diagram

CD Module Exploded View

CD Module Drawer Views

Power 2001 Module Overview

Module Circuit Description

Provides a brief description of the power amplifier module's circuitry and operation.

Power Supply Circuit Details

DC Voltage Generation (+A1, +B1, +C1)

Details on how the different DC supply voltages for the Super Class G amplifier are generated.

Power 2001 Module Block Diagrams

Mains Board Block Diagram

Block diagram showing the mains input, standby circuit, and power distribution.

P2001 Board Block Diagram

Block diagram illustrating the power amplifier stages, regulators, and control lines.

Mains Board Component Layout

P2001 30-70W Mains Circuit Diagram

Power Board Circuit Diagram (P2001 30-70W)

Power Board Circuit Diagram (P2001 30-70W) - Amplifier Part

AF9 Board Overview

AF9 Board Introduction and Features

Details the functions of TDA7468D, MIC MIXING, DPL Interface, Line Out, Sub-woofer Out, IS, Headphone Amp, M62320FP, CD Standby, and CD Digital Out.

AF9 Board Chip Layout

Source Selection and Sound Processing Circuit

Audio Processing Circuits

Main Unit Exploded View

Main Unit Mechanical Parts and Accessories

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